Home / 263,708.09-363,917.18-142,849.38

Finding the Fourth Proportional to 263,708.09, 363,917.18 and 142,849.38

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Solution

The fourth proportional to 263,708.09, 363,917.18 and 142,849.38 is: 197,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,708.09 : 363,917.18 = 142,849.38 : x
  2. Step 2: Convert to fraction form
    263,708.09/363,917.18 = 142,849.38/x
  3. Step 3: Cross multiply
    263,708.09x = 363,917.18 × 142,849.38
  4. Step 4: Simplify right side
    263,708.09x = 51,985,343,830.88
  5. Step 5: Solve for x
    x = 51,985,343,830.88/263,708.09
  6. Step 6: Final answer
    x = 197,132.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.